class A:
    name = "A"

    def __int__(self):
        pass

    '''
     静态方法
     '''
    @staticmethod
    def say(name):
        print(name)
    '''
    类方法
    '''
    @classmethod
    def class_say(cls):
        return cls();


a = A()
a.name = "sdfsdf"
print(a.name)
print(A.name)
A.say("dfdf")
